" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a - b + c = 10 ...... 1
a + b + c = 4 ....... 2
4a +2b + c = 7 .....3
1 dan 2
a - b +c = 10
a + b +c = 4
__________-
-2b = 6
b = - 3
2 dan 3 dengan b = - 3
a +c = 13
4a+c= 13
_______-
-3a = 0
a = 0
2 dengan b = - 3 dan a =0
c = 13
Maaf kalau salah